Cheap flights from Seoul Gimpo Intl Airport to Seattle from $463

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seoul Gimpo Intl Airport to Seattle departing on 3/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Seoul Gimpo Intl Airport to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:00 pm - 3:01 pmGMP-SEA
17h 01m2 stops
Multiple Airlines Logo
10:05 am - 10:25 pmSEA-GMP
20h 20m2 stops
$811Multiple Airlines
Find Deal
Thu, Mar 12 - Wed, Mar 25
ANA Logo
7:50 pm - 1:20 pmGMP-SEA
34h 30m1 stop
ANA Logo
10:05 am - 10:30 pmSEA-GMP
19h 25m2 stops
$861ANA
Find Deal
Sun, Feb 15 - Fri, Feb 20
ANA Logo
7:50 pm - 1:20 pmGMP-SEA
34h 30m1 stop
ANA Logo
10:05 am - 10:30 pmSEA-GMP
19h 25m2 stops
$862ANA
Find Deal
Thu, Feb 12 - Fri, Feb 20
ANA Logo
7:45 am - 1:20 pmGMP-SEA
22h 35m1 stop
ANA Logo
3:40 pm - 11:20 amSEA-GMP
26h 40m1 stop
$885ANA
Find Deal
Tue, Nov 25 - Tue, Dec 2
ANA Logo
12:25 pm - 1:20 pmGMP-SEA
17h 55m1 stop
ANA Logo
10:05 am - 10:30 pmSEA-GMP
19h 25m2 stops
$891ANA
Find Deal
Fri, Feb 13 - Fri, Feb 20
ANA Logo
7:45 am - 1:20 pmGMP-SEA
22h 35m1 stop
ANA Logo
3:45 pm - 6:35 pmSEA-GMP
33h 50m1 stop
$897ANA
Find Deal
Thu, Feb 12 - Thu, Feb 19
ANA Logo
12:25 pm - 1:20 pmGMP-SEA
17h 55m1 stop
ANA Logo
3:40 pm - 11:20 amSEA-GMP
26h 40m1 stop
$906ANA
Find Deal
Tue, Nov 25 - Tue, Dec 2
EVA Air Logo
1:50 pm - 6:10 pmGMP-SEA
21h 20m1 stop
EVA Air Logo
12:10 am - 12:50 pmSEA-GMP
19h 40m1 stop
$1,029EVA Air
Find Deal
Fri, Nov 7 - Thu, Nov 13
EVA Air Logo
1:50 pm - 6:10 pmGMP-SEA
21h 20m1 stop
EVA Air Logo
12:10 am - 6:00 pmSEA-GMP
24h 50m1 stop
$1,038EVA Air
Find Deal
Fri, Nov 21 - Sun, Nov 23
Japan Airlines Logo
12:05 pm - 9:50 amGMP-SEA
14h 45m1 stop
Japan Airlines Logo
11:32 am - 10:05 pmSEA-GMP
41h 33m2 stops
$1,292Japan Airlines
Find Deal
Thu, Nov 6 - Sun, Nov 16

ANA flights from Seoul Gimpo Intl Airport to Seattle

Our best ANA deals on Seoul Gimpo Intl Airport to Seattle flight tickets
ANA
Feb 15
GMP7:50 pmSeoul Gimpo Intl
34h 30m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
Feb 20
SEA10:05 amSeattle/Tacoma Intl
19h 25m
2 stops
GMP10:30 pmSeoul Gimpo Intl
ANA
Feb 12
GMP7:50 pmSeoul Gimpo Intl
34h 30m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
Feb 20
SEA10:05 amSeattle/Tacoma Intl
19h 25m
2 stops
GMP10:30 pmSeoul Gimpo Intl
ANA
Nov 25
GMP7:45 amSeoul Gimpo Intl
22h 35m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
Dec 2
SEA3:40 pmSeattle/Tacoma Intl
26h 40m
1 stop
GMP11:20 amSeoul Gimpo Intl

EVA Air flights from Seoul Gimpo Intl Airport to Seattle

Our best EVA Air deals on Seoul Gimpo Intl Airport to Seattle flight tickets
EVA Air
Nov 7
GMP1:50 pmSeoul Gimpo Intl
21h 20m
1 stop
SEA6:10 pmSeattle/Tacoma Intl
Nov 13
SEA12:10 amSeattle/Tacoma Intl
19h 40m
1 stop
GMP12:50 pmSeoul Gimpo Intl
EVA Air
Nov 21
GMP1:50 pmSeoul Gimpo Intl
21h 20m
1 stop
SEA6:10 pmSeattle/Tacoma Intl
Nov 23
SEA12:10 amSeattle/Tacoma Intl
24h 50m
1 stop
GMP6:00 pmSeoul Gimpo Intl
EVA Air
Oct 17
GMP1:50 pmSeoul Gimpo Intl
21h 40m
1 stop
SEA7:30 pmSeattle/Tacoma Intl
Oct 20
SEA1:30 amSeattle/Tacoma Intl
25h 45m
1 stop
GMP7:15 pmSeoul Gimpo Intl

momondo Fare Finder

 
Customize your flight search to find flights from Seoul Gimpo Intl Airport to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated October 13, 2025.
Use the filters below to find and compare flights from Seoul Gimpo Intl Airport to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Thu 3/12

2:00 pm-3:01 pm

2 stops17h 01m

Seattle/Tacoma Intl

Wed 3/25

10:05 am-10:25 pm

2 stops20h 20m

$811

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Sun 2/15

7:50 pm-1:20 pm

1 stop34h 30m

Seattle/Tacoma Intl

Fri 2/20

10:05 am-10:30 pm

2 stops19h 25m

$861

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Thu 2/12

7:50 pm-1:20 pm

1 stop34h 30m

Seattle/Tacoma Intl

Fri 2/20

10:05 am-10:30 pm

2 stops19h 25m

$862

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Tue 11/25

7:45 am-1:20 pm

1 stop22h 35m

Seattle/Tacoma Intl

Tue 12/2

3:40 pm-11:20 am

1 stop26h 40m

$885

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Fri 2/13

12:25 pm-1:20 pm

1 stop17h 55m

Seattle/Tacoma Intl

Fri 2/20

10:05 am-10:30 pm

2 stops19h 25m

$891

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Thu 2/12

7:45 am-1:20 pm

1 stop22h 35m

Seattle/Tacoma Intl

Thu 2/19

3:45 pm-6:35 pm

1 stop33h 50m

$897

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Tue 11/25

12:25 pm-1:20 pm

1 stop17h 55m

Seattle/Tacoma Intl

Tue 12/2

3:40 pm-11:20 am

1 stop26h 40m

$906

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Fri 11/7

1:50 pm-6:10 pm

1 stop21h 20m

Seattle/Tacoma Intl

Thu 11/13

12:10 am-12:50 pm

1 stop19h 40m

$1,029

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Fri 11/21

1:50 pm-6:10 pm

1 stop21h 20m

Seattle/Tacoma Intl

Sun 11/23

12:10 am-6:00 pm

1 stop24h 50m

$1,038

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Thu 11/6

12:05 pm-9:50 am

1 stop14h 45m

Seattle/Tacoma Intl

Sun 11/16

11:32 am-10:05 pm

2 stops41h 33m

$1,292

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Seattle from

How to get the cheapest flight ticket from Seoul Gimpo Intl Airport to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Seoul Gimpo Intl Airport is on a Sunday. momondo users have found tickets for Sunday departures for as low as $772. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Seoul Gimpo Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $929.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Seoul Gimpo Intl Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $806 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the morning, with an average ticket price of $922. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Seoul Gimpo Intl Airport to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Seoul Gimpo Intl Airport to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seoul Gimpo Intl Airport to Seattle (GMP to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seoul Gimpo Intl Airport to Seattle

Direct flights

None
There are no direct flights from Seoul Gimpo Intl Airport to Seattle. There are no popular flight routes from Seoul Gimpo Intl Airport to Seattle.
  • How far is Seoul Gimpo Intl to Seattle/Tacoma Intl by plane?

    The distance between Seoul Gimpo Intl and Seattle/Tacoma Intl is about 5173.4 mi. In terms of flight time, this usually takes a little over 14h 45m.

  • When did momondo last update prices for flights from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport refresh daily.

  • How old do you have to be to fly from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Marysville
Puyallup
Federal Way
Tukwila
Kirkland
Fife
Centralia
Lakewood
Shoreline
Cle Elum
Redmond
Westport

Why use momondo?

Why should I use momondo to find a flight deal from Seoul to Seattle?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seoul to Seattle. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Seoul to Seattle with flexible booking policies on momondo?

Flights from Seoul to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Seoul to Seattle?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seoul to Seattle.

I’m not ready to book a flight from Seoul to Seattle right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Seoul and alert you when they change.

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 11/12
Wed 11/19

Find better results for your trip to the United States